[33582] in North American Network Operators' Group
RE: Forcasts, why won't anyone believe them?
daemon@ATHENA.MIT.EDU (Chris Beggy)
Wed Jan 17 01:14:27 2001
To: rmeyer@mhsc.com
Cc: jeff@ultradns.com, nanog@merit.edu
In-Reply-To: <9DC8BBAD4FF100408FC7D18D1F092286039ADB@condor.mhsc.com>
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Message-Id: <20010116232410Y.chrisb@kippona.com>
Date: Tue, 16 Jan 2001 23:24:10 -0500
From: Chris Beggy <chrisb@kippona.com>
Errors-To: owner-nanog-outgoing@merit.edu
From: Roeland Meyer <rmeyer@mhsc.com>
>
>The assumption is wrong. A server motherboard and CPU draws the same power
>regardless of what it's doing. Lap-tops and the like are different and you
>actually pay extra for that design. Most circuts these days are nmos
>technology. Only in cmos does the power go up with the frequency. Peripheral
Nope. Most are CMOS and the power goes up for both NMOS and CMOS
with increasing clock frequency.
That may not change your conclusion though.
>usage, like disk drives, are also constant since the largest power draw goes
>to keeping them spinning. The seek mechnics are trivial. Floppy drives and
>cd-rom drives are different. But, most servers do not keep those spinning
>constantly. Ergo, for all intents and purposes, servers are a constant power
>draw. They can be rated.
Chris
